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D8T

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Overview

The D8T is engineered to be durable and reliable in the toughest working conditions. A Cat C15 engine provides superior performance and fuel efficiency while meeting emissions targets through ACERT Technology. The D8T is easy to operate and convenient to service to help achieve more productivity on the job site. And when service is needed, the D8T is backed by the outstanding support of the Cat dealer network.

Engine

  • Engine Model Cat® C15 ACERT™ Cat® C15 ACERT™
  • Flywheel Power 310.0 HP 231.0 kW
  • Gross Power 347.0 HP 259.0 kW
  • Bore 5.4 in 137.0 mm
  • Stroke 6.75 in 172.0 mm
  • Displacement 928.0 in³ 15.2 l
  • Gross Power - ISO 14396 333.0 HP 248.0 kW
  • Net Power - Caterpillar 310.0 HP 231.0 kW
  • Net Power - DIN 70020 322 PS 322 PS
  • Net Power - EU 80/1269 310.0 HP 231.0 kW
  • Net Power - ISO 9249 310.0 HP 231.0 kW
  • Net Power - SAE J1349 307.0 HP 229.0 kW
  • Emissions U.S. EPA Tier 3/EU Stage IIIA equivalent, Brazil MAR-1 U.S. EPA Tier 3/EU Stage IIIA equivalent, Brazil MAR-1
  • Note (1) Engine ratings apply at 1,850 rpm. Engine ratings apply at 1,850 rpm.
  • Note (2) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator.
  • Note (3) No derating required up to 3658 m (12,000 ft) altitude, beyond 3658 m (12,000 ft) automatic derating occurs. No derating required up to 3658 m (12,000 ft) altitude, beyond 3658 m (12,000 ft) automatic derating occurs.

Weights

  • Operating Weight 84850.0 lb 38488.0 kg
  • Shipping Weight 65152.0 lb 29553.0 kg
  • Note (1) Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, SU-Blade, Single-Shank Ripper, 610 mm (24 in) MS shoes, and operator. Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, SU-Blade, Single-Shank Ripper, 610 mm (24 in) MS shoes, and operator.
  • Note (2) Shipping Weight: Includes coolant, lubricants, 20% fuel, ROPS, FOPS cab, and 610 mm (24 in) MS shoes. Shipping Weight: Includes coolant, lubricants, 20% fuel, ROPS, FOPS cab, and 610 mm (24 in) MS shoes.

Dimensions

  • Height - FOPS Cab 11.34 ft 3456.0 mm
  • Height - Top of Stack 11.31 ft 3448.0 mm
  • Length - Basic Tractor - With Winch 17.31 ft 5275.0 mm
  • Length - With Multi-Shank Ripper 20.81 ft 6344.0 mm
  • Length - With Single-Shank Ripper 21.0 ft 6422.0 mm
  • Overall Length - Basic Tractor 15.23 ft 4641.0 mm
  • Overall Length - SU-Blade/SS Ripper 25.83 ft 7872.0 mm
  • Track Gauge 6.82 ft 2080.0 mm
  • Width - Without Trunnions - Standard Shoe 9.0 ft 2743.0 mm
  • Height - ROPS/Canopy 11.35 ft 3461.0 mm
  • Length - Basic Tractor - With Drawbar 16.4 ft 4998.0 mm
  • Length - With A-Blade 20.6 ft 6278.0 mm
  • Length - With SU-Blade 20.0 ft 6091.0 mm
  • Length - With U-Blade 21.1 ft 6434.0 mm
  • Width - Over Trunnions 10.0 ft 3057.0 mm
  • Ground Clearance 24.3 in 618.0 mm
  • Drawbar Height (Center of Clevis) 27.87 in 708.0 mm
  • Length - Track on Ground 10.52 ft 3207.0 mm

Transmission

  • 1 Forward 2.1 mile/h 3.4 km/h
  • 2 Forward 3.8 mile/h 6.1 km/h
  • 3 Forward 6.6 mile/h 10.6 km/h
  • 1 Reverse 2.8 mile/h 4.5 km/h
  • 2 Reverse 5.0 mile/h 8.0 km/h
  • 3 Reverse 8.8 mile/h 14.2 km/h
  • 1 Forward - Drawbar Pull (1000) 139.0 lbf 618.5 N
  • 2 Forward - Drawbar Pull (1000) 76.0 lbf 338.2 N
  • 3 Forward - Drawbar Pull (1000) 42.0 lbf 186.9 N

Hydraulic Controls

  • Pump Type Piston-type, Variable displacement Piston-type, Variable displacement
  • Pump Output - Steering 73.0 gal/min 276.0 l/min
  • Pump Output - Implement 60.0 gal/min 226.0 l/min
  • Tilt Cylinder Flow - Rod End Flow 34.0 gal/min 130.0 l/min
  • Tilt Cylinder Flow - Head End Flow 45.0 gal/min 170.0 l/min
  • Bulldozer Relief Valve Setting 3500.0 psi 24100.0 kPa
  • Tilt Cylinder Relief Valve Setting 3500.0 psi 24100.0 kPa
  • Ripper - Lift - Relief Valve Setting 3500.0 psi 24100.0 kPa
  • Ripper - Pitch - Relief Valve Setting 3500.0 psi 24100.0 kPa
  • Steering 5700.0 psi 39200.0 kPa
  • Note (1) Steering Pump output measured at 2,300 rpm and 30 000 kPa (4,351 psi). Steering Pump output measured at 2,300 rpm and 30 000 kPa (4,351 psi).
  • Note (2) Implement Pump output measured at 1,850 rpm and 6895 kPa (1,000 psi). Implement Pump output measured at 1,850 rpm and 6895 kPa (1,000 psi).
  • Note (3) Electro-hydraulic pilot valve assists operations of ripper and dozer controls. Standard hydraulic systems includes four valves. Electro-hydraulic pilot valve assists operations of ripper and dozer controls. Standard hydraulic systems includes four valves.
  • Note (4) Complete system consists of pump, tank with filter, oil cooler, valves, lines, linkage and control levers. Complete system consists of pump, tank with filter, oil cooler, valves, lines, linkage and control levers.

Undercarriage

  • Shoe Type Moderate Service Moderate Service
  • Width - Shoe 24.0 in 610.0 mm
  • Shoes/Side 44 44
  • Grouser Height 3.0 in 78.0 mm
  • Pitch 8.5 in 216.0 mm
  • Ground Clearance 24.3 in 618.0 mm
  • Track Gauge 82.0 in 2082.0 mm
  • Length - Track on Ground 10.5 ft 3207.0 mm
  • Ground Contact Area 6048.0 in² 3.9 m²
  • Track Rollers/Side 8 8
  • Number of Carrier Rollers 1 per side (optional) 1 per side (optional)
  • Note Positive Pin Retention Track. Positive Pin Retention Track.

Service Refill Capacities

  • Fuel Tank 170.0 gal (US) 643.0 l
  • Cooling System 20.3 gal (US) 77.0 l
  • Engine Crankcase* 10.0 gal (US) 38.0 l
  • Power Train 41.0 gal (US) 155.0 l
  • Final Drive - Each 3.3 gal (US) 12.5 l
  • Roller Frames - Each 17.2 gal (US) 65.0 l
  • Pivot Shaft Compartment 10.6 gal (US) 40.0 l
  • Note *With oil filters. *With oil filters.

Blades - 8A, Angle and Straight

  • Capacity 6.1 yd³ 4.7 m³
  • Digging Depth 24.7 in 628.0 mm²
  • Ground Clearance 51.5 in 1308.0 mm²
  • Height 3.85 ft² 1174.0 mm²
  • Maximum Tilt 28.7 in 729.0 mm²
  • Note (1) *Includes blade tilt cylinder. *Includes blade tilt cylinder.
  • Total Operating Weight** - With Blade and Single-Shank Ripper 86328.0 lb 39158.0 kg
  • Weight* - Without Hydraulic Controls 12035.0 lb 5459.0 kg
  • Width - Over End Bits 16.37 ft² 4990.0 mm²
  • Note (2) **Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, Blade, Single-Shank Ripper, 560 mm (22 in) MS shoes, and operator. **Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, Blade, Single-Shank Ripper, 560 mm (22 in) MS shoes, and operator.

Blades - 8SU

  • Capacity - SAE J1265 11.4 yd³ 8.7 m³
  • Digging Depth 22.6 in 575.0 mm
  • Ground Clearance 48.2 in 1225.0 mm
  • Height 5.5 ft 1690.0 mm
  • Maximum Tilt 34.8 in 883.0 mm
  • Note (1) *Includes blade tilt cylinder. *Includes blade tilt cylinder.
  • Total Operating Weight** - With Blade and Single-Shank Ripper 84850.0 lb 38488.0 kg
  • Weight* - Without Hydraulic Controls 10557.0 lb 4789.0 kg
  • Width - Over End Bits 12.93 ft 3940.0 mm
  • Note (2) **Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, Blade, Single-Shank Ripper, 560 mm (22 in) MS shoes, and operator. **Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, Blade, Single-Shank Ripper, 560 mm (22 in) MS shoes, and operator.

Blades - 8U

  • Capacity - SAE J1265 15.3 yd³ 11.7 m³
  • Digging Depth 22.6 in 575.0 mm
  • Ground Clearance 24.3 in 618.0 mm
  • Height 5.75 ft 1740.0 mm
  • Maximum Tilt 37.5 in 954.0 mm
  • Note (1) *Includes blade tilt cylinder. *Includes blade tilt cylinder.
  • Total Operating Weight** - With Blade and Single-Shank Ripper 86093.0 lb 39051.0 kg
  • Weight* - Without Hydraulic Controls 11800.0 lb 5352.0 kg
  • Width - Over End Bits 14.0 ft 4267.0 mm
  • Note (2) **Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, Blade, Single-Shank Ripper, 560 mm (22 in) MS shoes, and operator. **Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, Blade, Single-Shank Ripper, 560 mm (22 in) MS shoes, and operator.

Rippers - Multi-Shank, Adjustable Parallelogram

  • Added Length 5.25 ft² 1598.0 mm²
  • Additional Shank 732.0 lb 332.0 kg
  • Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole 23.35 in 593.0 mm²
  • Maximum Penetration - Standard Tip 30.7 in 780.0 mm²
  • Maximum Penetration Force - Shank Vertical 27920.0 lb 124.2 kN
  • Note **Total Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, SU-Blade, Multi Shank Ripper, 610 mm (24 in) MS shoes, and operator. **Total Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, SU-Blade, Multi Shank Ripper, 610 mm (24 in) MS shoes, and operator.
  • Number of Pockets 3 3
  • Overall Beam Width 97.0 in 2464.0 mm
  • Pry-Out Force - Multi-Shank Ripper with One Tooth 51230.0 lb 227.9 kN
  • Total Operating Weight** - With SU-Blade and Ripper 86597.0 lb 39280.0 kg
  • Weight - One Shank - Without Hydraulic Controls 10752.0 lb 4877.0 kg

Rippers - Single-Shank, Adjustable Parallelogram

  • Added Length 5.55 ft 1692.0 mm
  • Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole 25.0 in 636.0 mm
  • Maximum Penetration - Standard Tip 44.4 in 1130.0 mm
  • Maximum Penetration Force - Shank Vertical 28620.0 lb 127.3 kN
  • Note *Total Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, SU-Blade, Ripper, 610 mm (24 in) MS shoes, and operator. *Total Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, SU-Blade, Ripper, 610 mm (24 in) MS shoes, and operator.
  • Number of Pockets 1 1
  • Pry-Out Force 50070.0 lb 222.7 kN
  • Total Operating Weight* - With SU-Blade and Ripper 84850.0 lb 38488.0 kg
  • Weight - Without Hydraulic Controls 9005.0 lb 4085.0 kg

Winches - PA140VS

  • Drum Width 12.6 in 320.0 mm
  • Flange Diameter 18.0 in 457.0 mm
  • Increased Tractor Length 22.2 in 563.0 mm
  • Note (1) Variable speed, hydraulically driven, dual braking system, three roller fairlead. Variable speed, hydraulically driven, dual braking system, three roller fairlead.
  • Oil Capacity 4.0 gal (US) 15.0 l
  • Weight* 3947.0 lb 1790.0 kg
  • Winch Case - Width 45.6 in 1160.0 mm
  • Note (2) *Weight: Includes pump and operator controls. *Weight: Includes pump and operator controls.

Standards

  • FOPS FOPS (Falling Object Protective Structure) meets ISO 3449:2005 Level II. FOPS (Falling Object Protective Structure) meets ISO 3449:2005 Level II.
  • Note (1) Operator sound exposure Leq (equivalent sound pressure level) measured according to the work cycle procedures specified in ANSI/SAE J1166 OCT98 is 80 dB(A), for cab offered by Caterpillar, when properly installed and maintained and tested with the doors and windows closed. Operator sound exposure Leq (equivalent sound pressure level) measured according to the work cycle procedures specified in ANSI/SAE J1166 OCT98 is 80 dB(A), for cab offered by Caterpillar, when properly installed and maintained and tested with the doors and windows closed.
  • Note (2) Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in noisy environment. Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in noisy environment.
  • Note (3) The exterior sound pressure level for the standard machine measured at a distance of 15 m (16.4 yd) according to the test procedures specified in SAE J88 APR95, mid-gear-moving operation, is 84 dB(A). The exterior sound pressure level for the standard machine measured at a distance of 15 m (16.4 yd) according to the test procedures specified in SAE J88 APR95, mid-gear-moving operation, is 84 dB(A).
  • ROPS ROPS (Rollover Protective Structure) offered by Caterpillar for the machine meets ROPS criteria ISO 3471:2008. ROPS (Rollover Protective Structure) offered by Caterpillar for the machine meets ROPS criteria ISO 3471:2008.

C15 Engine with ACERT Technology

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Operator Station

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Implement and Steering Controls

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Drive Train

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Undercarriage

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Work Tools

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Integrated Electronic Solutions

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Structures

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Customer Support

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D8T Standard Equipment

POWER TRAIN

  • C15 ACERT diesel engine with EUI (Electronic Unit Injection)
  • 24-volt electric start
  • Advanced modular cooling system
  • Aftercooler, air-to-air (ATAAC)
  • Air filter, with electronic service indicator
  • Coolant, extended life
  • Fan, suction, hydraulically driven
  • Fast Fuel System
  • Fuel priming pump, electric
  • Muffler
  • Parking brake, electronic
  • Pre-cleaner, stratta-tube dust ejector
  • Prescreener
  • Shift management: – Automatic directional and downshift – Controlled-throttle, load-compensated
  • Starting aid, automatic ether
  • Torque divider
  • Transmission control module, electronic
  • Transmission, electronically-controlled: – Powershift, 3F/3R speed
  • Four planet, double-reduction: – Planetary final drives
  • Transmission control module, electronic
  • Turbocharger, wastegate
  • Water separator

UNDERCARRIAGE

  • Rollers and idlers, lifetime lubricated
  • Sprocket rim segments, replaceable
  • Suspension-type undercarriage, 8-roller tubular track roller frame (Carrier roller ready)
  • Track adjusters, hydraulic
  • Track guides: – 610 mm (24 in) PPR moderate service grouser with sealed and lubricated track (44 section)
  • Two-piece master link

HYDRAULICS

  • Hydraulics, independent steering and work tool pumps
  • Hydraulics, electronically controlled, load-sensing dozer lift and tilt

STARTERS, BATTERIES AND ALTERNATORS

  • Alternator, 150 amp
  • Batteries, heavy duty
  • Starting receptacle, auxiliary

ELECTRICAL

  • Alarm, back-up
  • Converter, 24V to 12V
  • Diagnostic connector
  • Horn, forward warning

OPERATOR ENVIRONMENT

  • Armrest, adjustable
  • Advisor operator interface: – Electronic monitoring system – Diagnostic service information – Operator preferences
  • Cab, ROPS, FOPS, sound suppressed
  • Deactivation switch, hydraulic controls
  • Decelerator pedal
  • Governor switch, electronic
  • Heater and ventilation
  • Mirror, rearview
  • Radio-ready
  • Seat, cloth, air suspension
  • Seatbelt, retractable
  • Steering control, twist tiller with touch shift
  • Wipers, intermittent

OTHER STANDARD EQUIPMENT

  • CD ROM Parts Book
  • Ecology drain – Engine oil, coolant, hydraulic oil, torque converter, fuel tank, power train case and transmission
  • Engine enclosures
  • Equalizer bar, pinned
  • Front pull device
  • Guards, bottom hinged
  • Grade control ready
  • Heater, engine coolant
  • Radiator, hinged fan blast deflector
  • HVAC box – corrosive resistant
  • Mounting, Lift Cylinders
  • Oil cooler, hydraulic
  • Product Link ready
  • S•O•S sampling ports
  • Steering, electronically-controlled power differential
  • Vandalism protection for fluid compartments

D8T Optional Equipment

ELECTRICAL

  • Light, ripper
  • Lights, supplemental: – 6 Halogen – 8 HID high-mount for waste application – 10 Halogen – 10 Halogen high-mount for waste application – Warning, strobe
  • Switch, disconnect, remote mounted
  • WAVS single rear vision camera
  • AccuGrade ARO
  • CAES ARO

GUARDS

  • Fan, debris
  • Final drive and seals
  • Fuel tank
  • Idler seals
  • Pivot shaft seal
  • Radiator, heavy-duty, hinged
  • Rear tractor
  • Screen, rear
  • Sweeps
  • Track roller
  • Transmission
  • Undercarriage

UNDERCARRIAGE

  • Undercarriage PPR
  • Non-suspended
  • Tracks, Pair, Sealed and Lubricated (Standard arrangement): – 607 mm (24 in) Extreme and Moderate Service – 660 mm (26 in) Extreme and Moderate Service – 711 mm (28 in) Extreme and Moderate Service
  • Undercarriage SystemOne™: – 610 mm (24 in) Extreme and Super Extreme Service – 660 mm (26 in) Extreme and Super Extreme Service – 711 mm (28 in) Extreme and Super Extreme Service
  • Roller Options: – Carrier rollers (one per side) – Seals, arctic idler/roller

POWER TRAIN

  • Fan, reversible
  • Pre-cleaner, turbine
  • Prelube, engine, automatic
  • Quick oil change system
  • Radiator, high ambient

OPERATOR ENVIRONMENT

  • Air conditioner, under-hood mounted
  • Air conditioner, fender mounted
  • Air conditioner, ROPS mounted
  • Canopy
  • Enhanced cab
  • Glass, Ultra-strength up to 275 kPa (40 psi)
  • Operators Arrangement (gives additional comfort for smaller operators)
  • Seat, vinyl

SPECIAL ARRANGEMENTS

  • Hydraulic implement towing arrangement, Low Ground Pressure arrangement, Waste Handling arrangement and Woodchip arrangement, in addition to other optional attachments are available from the factory. Contact your dealer for availability.

BULLDOZER ATTACHMENTS

  • AccuGrade GPS attachment ready installation (provides hydraulics, electrical, and blade mount for system)
  • Dual tilt cylinders
  • 8SU Blade, with rock guard and wear plate
  • 8SU Blade, with push plate
  • 8U Blade, with rock guard
  • Trunnion cover, (replaces trunnions)

RIPPERS

  • Single-Shank (A rear attachment and/or counterweight is recommended for improved performance and balance.) – Standard depth
  • Single-Shank (A rear attachment and/or counterweight is recommended for improved performance and balance.) – Deep ripping
  • Multi-Shank (A rear attachment and/or counterweight is recommended for improved performance and balance.) (includes one tooth)
  • Ripper attachments: – Additional tooth (for multi-shank ripper) – Pin Puller, hydraulic

OTHER ATTACHMENTS

  • Counterweights (A rear attachment and/or counterweight is recommended for improved performance and balance.): – Front mounted – Rear mounted
  • Drawbar, rigid
  • Parts book, paper
  • Starting aids
  • Striker bars, front and rear
  • Winch (A rear attachment and/or counterweight is recommended for improved performance and balance.) (A rear screen is recommended for operator protection when fitted with winch option.)

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